The number of vertices in a pyramid is equal to the number of faces. How many vertices does a regular pyramid with 40 edges

have?

Euler's formula: V + F = E + 2

A. 20

B. 21

C. 40

D. 42

What is the unit rate for 175 calories in 12 ounces

Find the greatest common factor (gcf) of 15 and 35

How many days are in 4 decades and 3 and a half years

What is the x-intercept of the line represented by the following equation? 5x-3y=-2

Factor each expression. Problem: r^2 + 12r + 27 Answer: (r + 3) (r + 9)

Complete the square t^2-8t+10

A bag contains 4 red chips and 2 blue chips. another bag contains 2 red chips and 6 blue chips. A chip is randomly selected from one bag and it is blue. What is the probability that it came from the first bag

X-2/5=1/5 what is x explain how you got the answer

What is the slope of y=x+5?

A store sold 28 boxes of juice from a case containing 48 boxes. Approximately what percent of the case of juice has been sold?